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Life Sciences

Comprehensive exploration of living organisms, biological systems, and life processes across all scales from molecules to ecosystems. Encompasses cutting-edge research in biology, genetics, molecular biology, ecology, biochemistry, microbiology, botany, zoology, evolutionary biology, genomics, and biotechnology. Investigates cellular mechanisms, organism development, genetic inheritance, biodiversity conservation, metabolic processes, protein synthesis, DNA sequencing, CRISPR gene editing, stem cell research, and the fundamental principles governing all forms of life on Earth.

447,757 articles | 2542 topics

Health and Medicine

Comprehensive medical research, clinical studies, and healthcare sciences focused on disease prevention, diagnosis, and treatment. Encompasses clinical medicine, public health, pharmacology, epidemiology, medical specialties, disease mechanisms, therapeutic interventions, healthcare innovation, precision medicine, telemedicine, medical devices, drug development, clinical trials, patient care, mental health, nutrition science, health policy, and the application of medical science to improve human health, wellbeing, and quality of life across diverse populations.

431,843 articles | 751 topics

Social Sciences

Comprehensive investigation of human society, behavior, relationships, and social structures through systematic research and analysis. Encompasses psychology, sociology, anthropology, economics, political science, linguistics, education, demography, communications, and social research methodologies. Examines human cognition, social interactions, cultural phenomena, economic systems, political institutions, language and communication, educational processes, population dynamics, and the complex social, cultural, economic, and political forces shaping human societies, communities, and civilizations throughout history and across the contemporary world.

260,756 articles | 745 topics

Physical Sciences

Fundamental study of the non-living natural world, matter, energy, and physical phenomena governing the universe. Encompasses physics, chemistry, earth sciences, atmospheric sciences, oceanography, materials science, and the investigation of physical laws, chemical reactions, geological processes, climate systems, and planetary dynamics. Explores everything from subatomic particles and quantum mechanics to planetary systems and cosmic phenomena, including energy transformations, molecular interactions, elemental properties, weather patterns, tectonic activity, and the fundamental forces and principles underlying the physical nature of reality.

257,913 articles | 1552 topics

Applied Sciences and Engineering

Practical application of scientific knowledge and engineering principles to solve real-world problems and develop innovative technologies. Encompasses all engineering disciplines, technology development, computer science, artificial intelligence, environmental sciences, agriculture, materials applications, energy systems, and industrial innovation. Bridges theoretical research with tangible solutions for infrastructure, manufacturing, computing, communications, transportation, construction, sustainable development, and emerging technologies that advance human capabilities, improve quality of life, and address societal challenges through scientific innovation and technological progress.

225,386 articles | 998 topics

Scientific Community

Study of the practice, culture, infrastructure, and social dimensions of science itself. Addresses how science is conducted, organized, communicated, and integrated into society. Encompasses research funding mechanisms, scientific publishing systems, peer review processes, academic ethics, science policy, research institutions, scientific collaboration networks, science education, career development, research programs, scientific methods, science communication, and the sociology of scientific discovery. Examines the human, institutional, and cultural aspects of scientific enterprise, knowledge production, and the translation of research into societal benefit.

193,043 articles | 157 topics

Space Sciences

Comprehensive study of the universe beyond Earth, encompassing celestial objects, cosmic phenomena, and space exploration. Includes astronomy, astrophysics, planetary science, cosmology, space physics, astrobiology, and space technology. Investigates stars, galaxies, planets, moons, asteroids, comets, black holes, nebulae, exoplanets, dark matter, dark energy, cosmic microwave background, stellar evolution, planetary formation, space weather, solar system dynamics, the search for extraterrestrial life, and humanity's efforts to explore, understand, and unlock the mysteries of the cosmos through observation, theory, and space missions.

29,662 articles | 175 topics

Research Methods

Comprehensive examination of tools, techniques, methodologies, and approaches used across scientific disciplines to conduct research, collect data, and analyze results. Encompasses experimental procedures, analytical methods, measurement techniques, instrumentation, imaging technologies, spectroscopic methods, laboratory protocols, observational studies, statistical analysis, computational methods, data visualization, quality control, and methodological innovations. Addresses the practical techniques and theoretical frameworks enabling scientists to investigate phenomena, test hypotheses, gather evidence, ensure reproducibility, and generate reliable knowledge through systematic, rigorous investigation across all areas of scientific inquiry.

21,889 articles | 139 topics

Mathematics

Study of abstract structures, patterns, quantities, relationships, and logical reasoning through pure and applied mathematical disciplines. Encompasses algebra, calculus, geometry, topology, number theory, analysis, discrete mathematics, mathematical logic, set theory, probability, statistics, and computational mathematics. Investigates mathematical structures, theorems, proofs, algorithms, functions, equations, and the rigorous logical frameworks underlying quantitative reasoning. Provides the foundational language and tools for all scientific fields, enabling precise description of natural phenomena, modeling of complex systems, and the development of technologies across physics, engineering, computer science, economics, and all quantitative sciences.

3,023 articles | 113 topics

Autoantibodies and neuropsychiatric events in lupus

A global research alliance found associations between anti-ribosomal P antibodies and psychosis, as well as lupus anticoagulant and cerebrovascular disease in SLE patients. The study identified potential biomarkers for neuropsychiatric events, but future studies are needed to confirm these findings.

Predicting survival after liver transplantation

Researchers developed a new modified comorbidity index to predict post-liver-transplant survival, considering comorbidities such as coronary disease, diabetes, and COPD. This index predicted survival as well or better than other models using recipient characteristics.

UT rheumatologists discover 2 genes related to disabling form of arthritis

Researchers at the University of Texas Health Science Center at Houston have identified two genes, ARTS1 and IL23R, that contribute to the development of ankylosing spondylitis, a chronic and disabling form of arthritis. This discovery is expected to lead to new therapies and potentially allow for early identification of patients at risk.

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Knee arthritis link to lung cancer

Research found knee monoarthritis in 296 patients (4.4%) with rheumatic disorders, a rare condition associated with operable non-small cell lung cancer. The disease is challenging to treat unless caught early, and the discovery provides new insights into potential early warning signs.

A potential new disease-modifying drug for osteoarthritis

Researchers found that oral calcitonin effectively protects against articular cartilage degradation and surface erosions in ovariectomized rats, a model for postmenopausal women. Calcitonin worked better than estrogen therapy, preventing cartilage erosions completely.

Scleroderma outlook improves as survival increases

Survival rates for individuals with scleroderma have increased by 12% over the past 30 years, from 54% to 66%, thanks in part to advancements in treatment. Newer medications such as ACE inhibitors have dramatically improved outcomes for patients, particularly in reducing renal crisis mortality.

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Rigol DP832 Triple-Output Bench Power Supply powers sensors, microcontrollers, and test circuits with programmable rails and stable outputs.

Egyptians, not Greeks were true fathers of medicine

A team of scientists at the University of Manchester found evidence that ancient Egyptian physicians practised a credible form of pharmacy and medicine over 1,000 years before Hippocrates. The researchers discovered medicinal remedies such as honey, resins, and metals with therapeutic merit, many of which remain in use today.

Arthritis pain, the brain and the role of emotions

A study published in Arthritis & Rheumatism found that arthritis pain is processed in brain areas associated with emotions and fear. The medial pain system, including the cingulate cortex and amygdala, was activated during arthritic pain, suggesting a stronger emotional impact than experimental pain.

First-degree fetal heart block may be reversible

Researchers at Yale University discovered a potential reversible cause of first-degree fetal heart block, which impairs the heart's electrical signaling. The PRIDE study found that early treatment with dexamethasone can reverse the condition, but it can progress rapidly to irreversible third-degree block.

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Apple iPhone 17 Pro delivers top performance and advanced cameras for field documentation, data collection, and secure research communications.

New therapeutic hope for degenerative disc disease

Researchers found that embryonic cells from a dog's notochord can regenerate disc cartilage, providing new therapeutic options for degenerative disc disease. The study suggests that CTGF-secreting notochord cells protect non-chondrodystrophic dogs against the condition.

New hope for tissue regeneration and joint repair

Researchers identified adult human multipotent stem cells derived from the periosteum, which can regenerate cartilage, muscle, and bone. The study showed that these cells can contribute to muscle regeneration and form cartilage when implanted into a joint surface defect.

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Apple AirPods Pro (2nd Generation, USB-C) provide clear calls and strong noise reduction for interviews, conferences, and noisy field environments.

Study highlights the ramifications of medical misdiagnosis

Researchers found that FOP is misdiagnosed 87% of the time, taking an average of four years to be accurately diagnosed. Inaccurate diagnoses led to painful biopsies and incorrect treatments, often worsening the condition and resulting in permanent loss of mobility.

Evidence of a new hereditary joint disorder

Researchers identified a novel syndrome marked by rapid cartilage debonding and stripping away from bone in an affected family. The condition causes joints to be exceptionally susceptible to shattering, despite being diagnosed with various disorders in the past.

Knee pain often linked to pain elsewhere in the body

A study of 5,364 patients found that knee pain is often accompanied by pain in other joints, leading to poorer general and psychological health. The results suggest that managing pain in one region can have beneficial effects on overall perception of pain.

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The impact of weight loss on osteoarthritis of the knee

A study found that moderate weight loss results in a significant reduction of compressive knee-joint loads, with forces reduced by 18 percent in overall function for every 5 percent weight loss. The researchers also discovered that the force reduction is four times greater than the actual weight loss.

JCI table of contents June 1, 2005

A new protein called SPARC is involved in tumor therapy resistance, while complement component C5 contributes to airway inflammation in asthma. BMP signaling pathways may also be therapeutic targets for treating spondyloarthropathies.

A shallow hip socket predicts osteoarthritis of the hip

A long-term study of 835 participants found moderate acetabular dysplasia to be a strong independent risk factor for hip OA. Women with acetabular dysplasia had a higher incidence and severity of hip OA, especially those with high-stress workloads and low BMI.

Activity not out of the question for people with chronic pain

Researchers found that people with fibromyalgia have similar average activity levels as those without the condition, but lower high-intensity activities. This study suggests a more nuanced understanding of fibromyalgia and could lead to changes in treatment.

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Creality K1 Max 3D Printer rapidly prototypes brackets, adapters, and fixtures for instruments and classroom demonstrations at large build volume.

Managing lupus with prasterone

A year-long clinical trial found that prasterone improved disease activity, reduced organ damage, and boosted health-related quality of life for women with active lupus. The treatment, which is safe and effective, could offer an alternative to immunosuppressive agents or large doses of glucocorticoids.

NIAMS funds multiple grants in heritable disorders of connective tissue

The National Institutes of Health's NIAMS has funded eight research projects to better understand and treat heritable disorders of connective tissue. These conditions, such as osteogenesis imperfecta and Ehlers-Danlos syndrome, affect millions of Americans and have few effective treatments.

MIT probes cartilage on nanoscale

The study provides direct measurements of nanoscale forces between cartilage molecules and a tiny probe tip, shedding light on the complex biocomposite material's behavior. The results reveal a mix of electrical repulsive and steric forces contributing to its unique properties.

Osteoarthritis and genetic link

A recent study has identified eight chromosomal sites that may harbor genes for hand OA, with the strongest evidence found on chromosomes 7p and 11q. The research used a genome scan of Framingham participants and their offspring to investigate genetic linkages.

Sony Alpha a7 IV (Body Only)

Sony Alpha a7 IV (Body Only) delivers reliable low-light performance and rugged build for astrophotography, lab documentation, and field expeditions.

Scientists identify gene for the leading form of dwarfism

Researchers have identified the RMRP gene responsible for cartilage-hair hypoplasia, a rare syndrome causing dwarfism. The discovery may lead to better understanding and treatment of the disease, which affects worldwide but is prevalent in Finnish and Amish populations.

Apple Watch Series 11 (GPS, 46mm)

Apple Watch Series 11 (GPS, 46mm) tracks health metrics and safety alerts during long observing sessions, fieldwork, and remote expeditions.

Playing professional football can be bad for health

A study of 300 former professional footballers found that almost two-thirds had experienced osteoarthritis, with knee problems being the most common. Anxiety and depression were also prevalent among those with this type of joint disease, which often led to early retirement.

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GQ GMC-500Plus Geiger Counter logs beta, gamma, and X-ray levels for environmental monitoring, training labs, and safety demonstrations.

Mutations identified in gene causing blindness, early heart attacks

Molecular geneticists have characterized gene mutations in families with pseudoxanthoma elasticum (PXE), a rare inherited disorder that can lead to blindness, early heart attacks, and cardiovascular disease. The study provides the basis for DNA-based carrier detection, prenatal testing, and improved diagnosis of the condition.

When arthritis strikes

A series on rheumatology highlights key steps for diagnosing arthritis and managing related conditions. The series aims to address the growing need for accurate diagnoses and treatment plans in an aging population.

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DJI Air 3 (RC-N2) captures 4K mapping passes and environmental surveys with dual cameras, long flight time, and omnidirectional obstacle sensing.

New treatment approach might prevent serious complications of liver disease

Researchers identified a new treatment approach that could prevent life-threatening complications of alpha-1-antitrypsin deficiency. A drug called 4-phenylbutyric acid (PBA) improved secretion of mutant protein, increasing levels by 20% to 50%. This approach may also help patients with other diseases such as Alzheimer's and Parkinson's.

New search for the genetic basis for osteoarthritis

Researchers are conducting the largest study ever to identify the genetic susceptibility for osteoarthritis, a condition affecting over 21 million Americans. The three-year study will analyze DNA samples and health histories of 1,400 families with multiple siblings diagnosed with primary generalized osteoarthritis.

Neurological disorder inspired European dancing tradition

A historical review suggests that European dancing traditions may have roots in a neurological disorder causing dance-like movements. The Dancing Procession of Echternach, which occurs on the Tuesday following Pentecost, has been linked to the medieval disease hysteric chorea, which caused involuntary dance-like movements.